TY  - BOOK
T1  - Water purification
A1  - Ellms, Joseph Wilton 1867
LA  - English
PP  - New York
PB  - McGraw-Hill book company, inc.
YR  - 1928
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125250403
OP  - 594
CN  - TD430 E4 1928
KW  - Water : Purification.
ER  -